Critical dynamical properties of a first-order dissipative phase transition
By W. Casteels, Rosario Fazio, C. Ciuti. 2016
143 citations recorded by the source corpus.
We theoretically investigate the critical properties of a single driven-dissipative nonlinear photon mode. In a well-defined thermodynamical limit of large excitation numbers, the exact quantum solution describes a first-order phase transition in the regime where semiclassical theory predicts optical bistability. We study the behavior of the complex spectral gap associated with the Liouvillian superoperator of the corresponding master equation. We show that in this limit the Liouvillian gap vanishes exponentially and that the bimodality of the photon Wigner function disappears. The connection between the considered thermodynamical limit of large photon numbers for the single-mode cavity and the thermodynamical limit of many cavities for a driven-dissipative Bose-Hubbard system is discussed.
Subfields: Artificial Intelligence, Atomic and Molecular Physics, and Optics
View Paper: https://www.semanticscholar.org/paper/26fb26306e7594a2ae4589b78075395d802225d6
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In Artificial Intelligence
In Atomic and Molecular Physics, and Optics
Citations in the corpus
- Signatures of a dissipative phase transition in photon correlation measurements (2017, background): “[17] and refer to the drive strength for which the longest bunching is observed as the critical drive FC = √ PC .”